CN103204243B - Clamshell type reverse thrust device - Google Patents
Clamshell type reverse thrust device Download PDFInfo
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- CN103204243B CN103204243B CN201210586927.9A CN201210586927A CN103204243B CN 103204243 B CN103204243 B CN 103204243B CN 201210586927 A CN201210586927 A CN 201210586927A CN 103204243 B CN103204243 B CN 103204243B
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Abstract
A kind of Clamshell type reverse thrust device, comprises housing, bearing beam, front load pull bar, rear load pull bar, reaction thrust door, synchronizer gear, hydraulic distributing valve, hydraulic actuator, fuel feeding return oil system and handles interlock mechanism.Described manipulation interlock mechanism is made up of double-linked cam, pulley, support, limiting stopper, the first rotating shaft, driving lever, manipulation cam, conv, the first pull bar, the second pull bar, the second rotating shaft and guide rail.When reverse thrust door is surprisingly opened, described double-linked cam moves backward, and the rocking arm of cam is handled in touching, and manipulation cam is rotated counterclockwise, and drives engine power control arm to be converted to little rotary regimes.When reverse thrust door is because fault clamping stagnation is in a certain angle position, namely when reverse thrust door cannot be opened completely or close completely, described double-linked cam is spacing with the angle of the rocking arm handling cam by limiting stopper, the anglec of rotation of cam is handled in restriction, thus control engine power control arm can only be handled in little range of speed.
Description
Technical field
The present invention relates to thrust reverser of aero-engine, particularly a kind of Clamshell type reverse thrust device.
Background technology
Speed reduction gearing common on aircraft is spoiler and thrust reverser, but the efficiency of spoiler is too low, and therefore large and medium-sized aircraft generally uses thrust reverser to slow down.The feature of Clamshell type reverse thrust device is produced reaction thrust large relative to the ratio of maximum positive thrust (namely counter push away efficiency higher), the engine retard of (little) bypass ratio, medium thrust in being relatively applicable to, but existing thrust reverser is due to structure problem, when reverse thrust door is surprisingly opened, or reverse thrust door because of fault clamping stagnation time, be difficult to engine throttle is transformed into minimum reaction thrust rotating speed, or control engine power control arm is handled in little range of speed, thus easily aircraft accident occurs.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of Clamshell type reverse thrust device of improvement is provided, to improve security and stability and the reliability of work.
Clamshell type reverse thrust device of the present invention, comprise housing, bearing beam, front load pull bar, rear load pull bar, reaction thrust door, synchronizer gear, hydraulic distributing valve, hydraulic actuator, fuel feeding return oil system and manipulation interlock mechanism, described bearing beam is two covers, be arranged on the upper and lower of housing exterior walls respectively, described front load pull bar is four covers, symmetry is hinged on two cover bearing beams between two, described rear load pull bar is four covers, symmetry to be hinged on two cover bearing beams and after being positioned at front load pull bar between two, described reverse thrust door is two fans, the symmetrical installation in clampshell, wherein side front end and the rear end, side of a fan reverse thrust door overlap be positioned at two bearing beams (bearing beam of housing upper and the bearing beam of lower housing portion) the same side two respectively before load pull bar and two overlap load pull bar afterwards and be connected, the side front end of another fan reaction thrust door and rear end, side overlap be positioned at two bearing beams (bearing beam of housing upper and the bearing beam of lower housing portion) opposite side two respectively before load pull bar and two overlap load pull bar afterwards and be connected, described hydraulic actuator is two covers, be arranged in two bearing beams respectively, described synchronizer gear is two covers, be arranged in two bearing beams respectively, the synchro of the piston rod and synchronizer gear that are arranged on the hydraulic actuator in same bearing beam is connected, before described four covers, load pull bar respectively configures a set of connection pull bar, and the one end connecting pull bar is connected with front load pull bar, and the synchro in the synchronizer gear in the bearing beam that the other end is corresponding with connected front load pull bar connects, the pipe fitting of the fuel feed pipe of described hydraulic distributing valve and fuel feeding return oil system, oil return pipe and the pipe fitting and reaction thrust chamber that are connected hydraulic actuator positive thrust chamber connects, described manipulation interlock mechanism is by double-linked cam, pulley, support, limiting stopper, first rotating shaft, driving lever, handle cam, conv, first pull bar, second pull bar, second rotating shaft and guide rail composition, described support installing on the engine, described first rotating shaft is rack-mount, described manipulation cam is connected with engine power control arm in the first rotating shaft by bearing hinge connection, described limiting stopper is arranged in operation of cam, described second rotating shaft is rack-mount, its installation site is below the first rotating shaft and to be separated by a spacing with the first rotating shaft, described conv and driving lever by bearing hinge connection in two rotating shafts, and conv is connected with driving lever and realizes linking, described pulley is on the switch hinged, can move along the arc surface handling cam, one end and the driving lever of described first pull bar are hinged, its other end is connected with hydraulic distributing valve, described guide rails assembling is on support, described double-linked cam is arranged on guide rail, one end of described second pull bar is connected with guide rail, its other end is connected with front load pull bar, the guide rail that moves through of front load pull bar is passed to double-linked cam and makes it be moved, rotated by the mobile operation of cam that drives of double-linked cam.
Clamshell type reverse thrust device of the present invention, its synchronizer gear comprises mount pad, synchro, first guide rod and the second guide rod, described mount pad is fixed on bearing beam, described first guide rod and the second guide rod are separated by the parallel installation of a spacing, their one end is separately fixed on mount pad by bolt, their other end is separately fixed on bearing beam, the side of described synchro is provided with the identical sleeve of two line of centerss, its opposite side is provided with a sleeve, its main body is provided with the first connecting bore, second connecting bore and the 3rd connecting bore, the sleeve that synchro both sides are arranged is set on the first guide rod and the second guide rod, synchro is connected with the piston rod of hydraulic actuator with screw rod by the first connecting bore that its main body is arranged, synchro is connected with connection pull bar with the 3rd connecting bore screw rod by the second connecting bore that its main body is arranged.
Clamshell type reverse thrust device of the present invention, its hydraulic actuator comprises stack shell, protecgulum, bonnet, piston, piston rod, first transport pipe, recoil spring and the second transport pipe, described protecgulum is arranged on the front end face of stack shell, described bonnet is arranged on the aft end face of stack shell, described piston is arranged in the inner chamber of stack shell, stack shell inner chamber is divided into reaction thrust chamber and positive thrust chamber, one end and the piston of described piston rod are connected, its other end stretches out stack shell through the centre hole that bonnet is arranged, described first transport pipe is arranged on protecgulum, described second transport pipe is arranged on bonnet, described recoil spring to be arranged in reaction thrust chamber and to be connected with protecgulum.
The principle of work of Clamshell type reverse thrust device of the present invention: throttle lever is moved to positive thrust position, the high pressure oil that fuel feeding return oil system provides acts on the positive thrust chamber of two cover hydraulic actuators through hydraulic distributing valve simultaneously, the reaction thrust chamber of two cover hydraulic actuators communicates with the oil return circuit of fuel feeding return oil system, the mechanical lock of reverse thrust door is in closed condition, makes reverse thrust door keep closed condition by the pressure reduction of hydraulic actuator piston both sides; Throttle lever is moved to reaction thrust position, the high pressure oil that fuel feeding return oil system provides acts on the reaction thrust chamber of two cover hydraulic actuators through hydraulic distributing valve simultaneously, the positive thrust chamber of two cover hydraulic actuators communicates with the oil return circuit of fuel feeding return oil system, reverse thrust door mechanical lock is in open mode, two cover reverse thrust doors open the air flow line of blocking to final vacuum simultaneously, air-flow is sprayed forward from the left and right sides of spout, and the power of air-flow counteraction in reverse thrust door forms deboost.
When reverse thrust door is surprisingly opened, the double-linked cam handled in interlock mechanism moves backward, and the rocking arm of cam is handled in touching, and manipulation cam is rotated counterclockwise, and drives engine power control arm to be converted to little rotary regimes.When reverse thrust door is because fault clamping stagnation is in a certain angle position, namely when reverse thrust door cannot be opened completely or close completely, the double-linked cam handled in interlock mechanism is spacing with the angle of the rocking arm handling cam by limiting stopper, the anglec of rotation of cam is handled in restriction, thus control engine power control arm can only be handled in little range of speed.
The present invention has following beneficial effect:
The structure of the manipulation interlock mechanism 1, in Clamshell type reverse thrust device of the present invention, when reverse thrust door is surprisingly opened, engine throttle can be transformed into minimum reaction thrust rotating speed, when reverse thrust door is because of fault clamping stagnation, the anglec of rotation handling cam can be limited, thus control engine power control arm can only be handled in little range of speed.
2, two fan reverse thrust doors in Clamshell type reverse thrust device of the present invention can be opened simultaneously or close, and work safety is stablized, and reliability is high.
What 3, control reverse thrust door by the difference of pressure of the hydraulic oil in the positive and negative thrust chamber of hydraulic actuator opens or closes process, makes reverse thrust door have shorter opening and closing response time.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that Clamshell type reverse thrust device of the present invention is in positive thrust state;
Fig. 2 is the schematic diagram that Clamshell type reverse thrust device of the present invention is in thrust reversing rating;
Fig. 3 is the structural representation of the hydraulic actuator in Clamshell type reverse thrust device of the present invention;
Fig. 4 is the structural representation of the manipulation interlock mechanism in Clamshell type reverse thrust device of the present invention;
Fig. 5 is the structural representation of the synchronizer gear in Clamshell type reverse thrust device of the present invention;
Fig. 6 is the A direction view of Fig. 5.
In figure, 1-hydraulic reservoir, 2-plunger pump, 3-check valve, 4-ground delivery valve, 5-ground fuel-return valve, the filter of 6-fuel feeding oil, 7-unloading valve, the filter of 8-oil return oil, 9-temperature difference valve, 10-oil cock, 11-Pressure gage joint valve, 12-gas-charging connection assembly, 13-pressure accumulator, 14-hydraulic pressure dispense switch, 15-hydraulic actuator (15-1: protecgulum, 15-2: the first transport pipe, 15-3: recoil spring, 15-4: stack shell, 15-5: piston, 15-6: the second transport pipe, 15-7: bonnet, 15-8: reaction thrust chamber, 15-9: positive thrust chamber, 15-10: piston rod), 16-housing, 17-bearing beam, load pull bar before 18-, load pull bar after 19-, 20-connects pull bar, 21-synchronizer gear (21-1: mount pad, 21-2: synchro, 21-3: the first guide rod, 21-4: bolt, 21-5: the second guide rod, 21-6: the first connecting bore, 21-7: the second connecting bore, 21-8: the three connecting bore), 22-clampshell reverse thrust door, 23-fireproof brickwork, 24-reverse thrust door mechanical lock, 25-signal head, 26-signal lamp, 27-handles interlock mechanism (27-1: double-linked cam, 27-2: pulley, 27-3: support, 27-4: limiting stopper, 27-5: the first rotating shaft, 27-6: driving lever, 27-7: handle cam, 27-8: conv, 27-9: the first pull bar, 27-10: the second pull bar, 27-11: the second rotating shaft, 27-12: guide rail), 28-fuel feed pipe, 29-oil return pipe.
Detailed description of the invention
Also by reference to the accompanying drawings Clamshell type reverse thrust device of the present invention is described further below by embodiment.
In the present embodiment, the structure of described Clamshell type reverse thrust device as shown in Figure 1 and Figure 2, comprises cylindrical shell 16, bearing beam 17, front load pull bar 18, rear load pull bar 19, reaction thrust door 22, connects pull bar 20, synchronizer gear 21, hydraulic distributing valve 14, hydraulic actuator 15, fuel feeding return oil system and handle interlock mechanism 27.
Described bearing beam 17 is two covers, is arranged on the upper and lower of cylindrical shell 16 outer wall respectively; Described front load pull bar 18 is four covers, and wherein before two covers, load pull bar symmetry is hinged on the bearing beam of housing upper, and before two covers, load pull bar symmetry is hinged on the bearing beam of lower housing portion; Described rear load pull bar 19 is four covers, on the bearing beam that wherein after two covers, load pull bar symmetry is hinged at housing upper and after being positioned at the front load pull bar 18 on this bearing beam, on the bearing beam that after two covers, load pull bar symmetry is hinged at lower housing portion and after being positioned at the front load pull bar 18 on this bearing beam; Described reaction thrust door 22 is two fans, the symmetrical installation in clampshell, wherein the side front end of a fan reaction thrust door overlap with load pull bar and two before rear end, side overlap be positioned at two bearing beams (bearing beam of housing upper and the bearing beam of lower housing portion) the same side two respectively after load pull bar is connected, another is fanned the side front end of reaction thrust door and rear end, side and overlaps front load pull bar and two respectively be positioned at two bearing beams (bearing beam of housing upper and the bearing beam of lower housing portion) opposite side two and overlap rear load pull bar and be connected; Wherein a bearing beam is provided with mechanical lock 24, and be configured with two cover signal heads 25 and signal lamp 26, a set of signal head and signal lamp are used for controlling and instruction mechanical lock is in unlatching or closed condition, and another set of signal head and signal lamp open or close state for controlling and indicating residing for reverse thrust door; Spray combustion gas burn driving engine for preventing tail and be provided with fireproof brickwork 23; Described connection pull bar 20 is four covers, and a set of connection pull bar corresponds to a set of front load pull bar and connects;
Hydraulic actuator is two covers, the structure of two cover hydraulic actuators is identical, as shown in Figure 3, comprise stack shell 15-4, protecgulum 15-1, bonnet 15-7, piston 15-5, piston rod 15-10, first transport pipe 15-2, recoil spring 15-3 and the second transport pipe 15-6, described protecgulum 15-1 is arranged on the front end face of stack shell, described bonnet 15-7 is arranged on the aft end face of stack shell, described piston 15-5 is arranged in the inner chamber of stack shell, stack shell inner chamber is divided into reaction thrust chamber 15-8 and positive thrust chamber 15-9, one end and the piston of described piston rod 15-10 are connected, its other end stretches out stack shell through the centre hole that bonnet 15-7 is arranged, described first transport pipe 15-2 is arranged on protecgulum 15-1, described second transport pipe 15-6 is arranged on bonnet 15-7, described recoil spring 15-3 to be arranged in the 15-8 of reaction thrust chamber and to be connected with protecgulum 15-1.The bearing beam that two cover hydraulic actuators are arranged on housing upper is respectively interior with in the bearing beam in lower housing portion portion, the protecgulum 15-1 being arranged on the hydraulic actuator in housing upper bearing beam is hinged by the bearing beam of ball-bearing casing and housing upper, and the protecgulum 15-1 being arranged on the hydraulic actuator in lower housing portion bearing beam is hinged by the bearing beam of ball-bearing casing and lower housing portion.
Synchronizer gear is two covers, and the structure of two cover synchronizer gears is identical, as shown in Figure 5, Figure 6, comprises mount pad 21-1, synchro 21-2, the first guide rod 21-3 and the second guide rod 21-5.The bearing beam that two cover synchronizer gears are arranged on housing upper is respectively interior with in the bearing beam in lower housing portion portion.Be arranged on the synchronizer gear in housing upper bearing beam, its mount pad 21-1 is fixed on housing upper bearing beam, its first guide rod 21-3 and the second guide rod 21-5 are separated by the parallel installation of a spacing, their one end is separately fixed on mount pad 21-1 by bolt 21-4, their other end is separately fixed on housing upper bearing beam, the side of its synchro 21-2 is provided with the identical sleeve of two line of centerss, opposite side is provided with a sleeve, main body is provided with the first connecting bore 21-6, second connecting bore 21-7 and the 3rd connecting bore 21-8, the sleeve that synchro both sides are arranged is set on the first guide rod 21-3 and the second guide rod 21-5, synchro is connected with the piston rod 15-10 of screw rod with the hydraulic actuator being arranged on housing upper bearing beam by the first connecting bore 21-6 that its main body is arranged, synchro is arranged on two of housing upper bearing beam respectively by the second connecting bore 21-7 that its main body is arranged and the 3rd connecting bore 21-8 and overlaps and connect pull bar 20 and be connected with symmetry.Be arranged on the synchronizer gear in lower housing portion bearing beam, its mount pad 21-1 is fixed on lower housing portion bearing beam, its first guide rod 21-3 and the second guide rod 21-5 are separated by the parallel installation of a spacing, their one end is separately fixed on mount pad 21-1 by bolt 21-4, their other end is separately fixed on lower housing portion bearing beam, the side of its synchro 21-2 is provided with the identical sleeve of two line of centerss, opposite side is provided with a sleeve, main body is provided with the first connecting bore 21-6, second connecting bore 21-7 and the 3rd connecting bore 21-8, the sleeve that synchro both sides are arranged is set on the first guide rod 21-3 and the second guide rod 21-5, synchro is connected with the piston rod 15-10 of screw rod with the hydraulic actuator being arranged on lower housing portion bearing beam by the first connecting bore 21-6 that its main body is arranged, synchro is arranged on two of lower housing portion bearing beam respectively by the second connecting bore 21-7 that its main body is arranged and the 3rd connecting bore 21-8 and overlaps and connect pull bar 20 and be connected with symmetry.
The structure of fuel feeding return oil system is shown in Fig. 1, Fig. 2, comprise hydraulic reservoir 1, hydraulic coupling plunger pump 2 is provided, the anti-check valve 3 pushed away for the protection of plunger pump when wayside equipment is tested, connect the anti-delivery valve 4 pushing away ground-testing plant, connect the anti-fuel-return valve 5 pushing away ground-testing plant, fuel feeding oil filter 6, hydraulic efficiency pressure system is made to maintain the unloading valve 7 of stable operation pressure, oil return oil filter 8, protection hydraulic efficiency pressure system, prevent the nitrogen Yin Wendu of hydraulic efficiency pressure system from raising and the temperature difference valve 9 of hypertonia, the oil cock 10 of examination and maintenance hydraulic efficiency pressure system, the joint valve 11 of examination and maintenance hydraulic pressure indicator, for the gas-charging connection assembly 12 of pressure accumulator nitrogen charging device, pressure accumulator 13 and connecting tube.
The fuel feed pipe 28 of hydraulic distributing valve 14 and fuel feeding return oil system, oil return pipe 29 and the first transport pipe 15-2 being connected the second transport pipe 15-6 and reaction thrust chamber 15-8 that two overlap hydraulic actuator positive thrust chamber 15-9 connect (see Fig. 1, Fig. 2, Fig. 3).
The structure handling interlock mechanism is shown in Fig. 4, by double-linked cam 27-1, pulley 27-2, support 27-3, limiting stopper 27-4, the first rotating shaft 27-5, driving lever 27-6, handles cam 27-7, conv 27-8, the first pull bar 27-9, the second pull bar 27-10, the second rotating shaft 27-11 and guide rail 27-12, described support 27-3 installs on the engine, described first rotating shaft 27-5 is arranged on support 27-3, described manipulation cam 27-7 is connected with engine power control arm in the first rotating shaft by bearing hinge connection, engine power control arm is by handling cam 27-7 Operational Conversion Unit 27-8 and driving lever 27-6, thus hydraulic control distributing valve 14, described limiting stopper 27-4 is arranged on operation of cam 27-7, described second rotating shaft 27-11 is arranged on support 27-3, its installation site is below the first rotating shaft 27-5 and to be separated by a spacing with the first rotating shaft, described conv 27-8 and driving lever 27-6 by bearing hinge connection on two rotating shaft 27-11, and conv 27-8 is connected with driving lever 27-6 and realizes linking, described pulley 27-2 is hinged on conv 27-8, can move along the arc surface handling cam 27-7, one end and the driving lever 27-6 of described first pull bar 27-9 are hinged, its other end is connected with hydraulic distributing valve 14, described guide rail 27-12 is arranged on support 27-3, described double-linked cam 27-1 is arranged on guide rail, one end of described second pull bar 27-10 is connected with guide rail 27-12, its other end is connected with front load pull bar 18, the guide rail 27-12 that moves through of front load pull bar 18 is passed to double-linked cam 27-1 and makes it be moved, rotated by the mobile operation of cam 27-7 of drive of double-linked cam 27-1.
Claims (3)
1. a Clamshell type reverse thrust device, comprise housing (16), front load pull bar (18), rear load pull bar (19), reaction thrust door (22), synchronizer gear (21), hydraulic actuator (15), characterized by further comprising bearing beam (17), hydraulic distributing valve (14), fuel feeding return oil system and handle interlock mechanism (27), described bearing beam (17) is two covers, be arranged on the upper and lower of housing (16) outer wall respectively, wherein a bearing beam is provided with mechanical lock (24), and be configured with two cover signal heads (25) and signal lamp (26), described front load pull bar (18) is four covers, symmetry is hinged on two cover bearing beams between two, described rear load pull bar (19) is four covers, symmetry to be hinged on two cover bearing beams and after being positioned at front load pull bar (18) between two, described reaction thrust door (22) is two fans, the symmetrical installation in clampshell, wherein the side front end of a fan reaction thrust door overlaps load pull bar afterwards with load pull bar and two before rear end, side overlap be positioned at two bearing beam the same sides two respectively and is connected, the side front end of another fan reaction thrust door and rear end, side overlap be positioned at two bearing beam opposite sides two respectively before load pull bar and two overlap load pull bar afterwards and be connected, described hydraulic actuator (15) is two covers, be arranged in two bearing beams (17) respectively, described synchronizer gear (21) is two covers, be arranged in two bearing beams (17) respectively, the synchro (21-3) of the piston rod (15-10) and synchronizer gear (21) that are arranged on the hydraulic actuator on same bearing beam is connected, load pull bar (18) the respectively a set of connection pull bar (20) of configuration before described four covers, the one end connecting pull bar is connected with front load pull bar, synchro (21-3) in synchronizer gear on the bearing beam that the other end is corresponding with connected front load pull bar connects, the fuel feed pipe (28) of described hydraulic distributing valve (14) and fuel feeding return oil system, the pipe fitting of oil return pipe (29) and connection hydraulic actuator (15) positive thrust chamber (15-9) is connected with the pipe fitting of reaction thrust chamber (15-8), described manipulation interlock mechanism is by double-linked cam (27-1), pulley (27-2), support (27-3), limiting stopper (27-4), first rotating shaft (27-5), driving lever (27-6), handle cam (27-7), conv (27-8), first pull bar (27-9), second pull bar (27-10), second rotating shaft (27-11) and guide rail (27-12) composition,
Described support (27-3) is installed on the engine, described first rotating shaft (27-5) is arranged on support (27-3), described manipulation cam (27-7) is connected with engine power control arm in the first rotating shaft by bearing hinge connection, described limiting stopper (27-4) is arranged in operation of cam (27-7), described second rotating shaft (27-11) is arranged on support (27-3), its installation site is in the first rotating shaft (27-5) below and to be separated by a spacing with the first rotating shaft, described conv (27-8) and driving lever (27-6) by bearing hinge connection in two rotating shafts (27-11), and conv (27-8) is connected with driving lever (27-6) and realizes linking, described pulley (27-2) is hinged on conv (27-8), can along the arc surface motion handling cam (27-7), one end and the driving lever (27-6) of described first pull bar (27-9) are hinged, its other end is connected with hydraulic distributing valve (14), described guide rail (27-12) is arranged on support (27-3), described double-linked cam (27-1) is arranged on guide rail, one end of described second pull bar (27-10) is connected with guide rail (27-12), its other end is connected with front load pull bar (18), the guide rail (27-12) that moves through of front load pull bar (18) is passed to double-linked cam (27-1) and makes it be moved, rotated by the mobile operation of cam (27-7) that drives of double-linked cam (27-1).
2. Clamshell type reverse thrust device according to claim 1, it is characterized in that synchronizer gear (21) comprises mount pad (21-1), synchro (21-2), first guide rod (21-3) and the second guide rod (21-5), described mount pad (21-1) is fixed on bearing beam (17), described first guide rod (21-3) and the second guide rod (21-5) are separated by the parallel installation of a spacing, their one end is separately fixed on mount pad (21-1), their other end is separately fixed on bearing beam 17, the side of described synchro (21-2) is provided with the identical sleeve pipe of two line of centerss, its opposite side is provided with a sleeve pipe, its main body is provided with the first connecting bore (21-6), second connecting bore (21-7) and the 3rd connecting bore (21-8), the sleeve pipe that synchro both sides are arranged is set on the first guide rod (21-3) and the second guide rod (21-5), synchro is connected with the piston rod (15-10) of hydraulic actuator with screw rod by the first connecting bore (21-6) that its main body is arranged, synchro is connected with connection pull bar (20) with the 3rd connecting bore (21-8) by the second connecting bore (21-7) that its main body is arranged.
3. Clamshell type reverse thrust device according to claim 1 or 2, it is characterized in that hydraulic actuator comprises stack shell (15-4), protecgulum (15-1), bonnet (15-7), piston (15-5), piston rod (15-10), first transport pipe (15-2), recoil spring (15-3) and the second transport pipe (15-6), described protecgulum (15-1) is arranged on the front end face of stack shell, described bonnet (15-7) is arranged on the aft end face of stack shell, described piston (15-5) is arranged in the inner chamber of stack shell, stack shell inner chamber is divided into reaction thrust chamber (15-8) and positive thrust chamber (15-9), one end and the piston of described piston rod (15-10) are connected, its other end stretches out stack shell through the upper centre hole arranged of bonnet (15-7), described first transport pipe (15-2) is arranged on protecgulum (15-1), described second transport pipe (15-6) is arranged on bonnet (15-7), described recoil spring (15-3) to be arranged in reaction thrust chamber (15-8) and to be connected with protecgulum (15-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210586927.9A CN103204243B (en) | 2012-12-30 | 2012-12-30 | Clamshell type reverse thrust device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210586927.9A CN103204243B (en) | 2012-12-30 | 2012-12-30 | Clamshell type reverse thrust device |
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| CN103204243A CN103204243A (en) | 2013-07-17 |
| CN103204243B true CN103204243B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210586927.9A Active CN103204243B (en) | 2012-12-30 | 2012-12-30 | Clamshell type reverse thrust device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831017B (en) * | 2017-09-22 | 2020-07-17 | 中国航发成都发动机有限公司 | Durability test device for switching motion of reverse thrust door of aircraft engine |
| CN110450973B (en) * | 2019-07-30 | 2022-11-22 | 中国航发沈阳发动机研究所 | Reverse-thrust centering supporting device with adjustable length |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6311928B1 (en) * | 2000-01-05 | 2001-11-06 | Stage Iii Technologies, L.C. | Jet engine cascade thrust reverser for use with mixer/ejector noise suppressor |
| US7104500B1 (en) * | 2001-07-20 | 2006-09-12 | Aircraft Integration Resources, Inc. | Thrust reverser with sliding pivot joints |
| CA2639078A1 (en) * | 2007-11-16 | 2009-05-16 | Pratt & Whitney Canada Corp. | Pivoting fairings for a thrust reverser |
| CA2649523A1 (en) * | 2008-06-19 | 2009-12-19 | Pratt & Whitney Canada Corp. | Thrust reverser for a turbofan gas turbine engine |
| CN102108990A (en) * | 2010-07-23 | 2011-06-29 | 三一重工股份有限公司 | Hydraulic cylinder and related devices thereof, hydraulic buffer system, excavator and concrete pump truck |
-
2012
- 2012-12-30 CN CN201210586927.9A patent/CN103204243B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6311928B1 (en) * | 2000-01-05 | 2001-11-06 | Stage Iii Technologies, L.C. | Jet engine cascade thrust reverser for use with mixer/ejector noise suppressor |
| US7104500B1 (en) * | 2001-07-20 | 2006-09-12 | Aircraft Integration Resources, Inc. | Thrust reverser with sliding pivot joints |
| CA2639078A1 (en) * | 2007-11-16 | 2009-05-16 | Pratt & Whitney Canada Corp. | Pivoting fairings for a thrust reverser |
| CA2649523A1 (en) * | 2008-06-19 | 2009-12-19 | Pratt & Whitney Canada Corp. | Thrust reverser for a turbofan gas turbine engine |
| CN102108990A (en) * | 2010-07-23 | 2011-06-29 | 三一重工股份有限公司 | Hydraulic cylinder and related devices thereof, hydraulic buffer system, excavator and concrete pump truck |
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| CN103204243A (en) | 2013-07-17 |
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